Home / 3,623.88-5,432.38-1,433.96

Finding the Fourth Proportional to 3,623.88, 5,432.38 and 1,433.96

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Solution

The fourth proportional to 3,623.88, 5,432.38 and 1,433.96 is: 2,149.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,623.88 : 5,432.38 = 1,433.96 : x
  2. Step 2: Convert to fraction form
    3,623.88/5,432.38 = 1,433.96/x
  3. Step 3: Cross multiply
    3,623.88x = 5,432.38 × 1,433.96
  4. Step 4: Simplify right side
    3,623.88x = 7,789,815.62
  5. Step 5: Solve for x
    x = 7,789,815.62/3,623.88
  6. Step 6: Final answer
    x = 2,149.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.